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Some utility methods, and added ForceUpdate.

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This commit is contained in:
sfraser%netscape.com 1999-09-22 01:22:35 +00:00
parent 628b73338b
commit 8f9b391882
4 changed files with 128 additions and 26 deletions
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71
editor/base/nsInterfaceState.cpp
View File

@ -124,6 +124,13 @@ nsInterfaceState::NotifyDocumentStateChanged(PRBool aNowDirty)
NS_IMETHODIMP
nsInterfaceState::NotifySelectionChanged()
{
return ForceUpdate();
}
NS_IMETHODIMP
nsInterfaceState::ForceUpdate()
{
nsresult rv;
@ -148,6 +155,25 @@ nsInterfaceState::NotifySelectionChanged()
return NS_OK;
}
PRBool
nsInterfaceState::SelectionIsCollapsed()
{
nsresult rv;
// we don't care too much about failures here.
nsCOMPtr<nsIEditor> editor = do_QueryInterface(mEditor, &rv);
if (NS_SUCCEEDED(rv))
{
nsCOMPtr<nsIDOMSelection> domSelection;
rv = editor->GetSelection(getter_AddRefs(domSelection));
if (NS_SUCCEEDED(rv))
{
PRBool selectionCollapsed = PR_FALSE;
rv = domSelection->GetIsCollapsed(&selectionCollapsed);
return selectionCollapsed;
}
}
return PR_FALSE;
}
nsresult
nsInterfaceState::UpdateParagraphState(const char* observerName, const char* attributeName, nsString& ioParaFormat)
@ -227,8 +253,15 @@ nsInterfaceState::UpdateFontFace(const char* observerName, const char* attribute
nsCOMPtr<nsIAtom> styleAtom = getter_AddRefs(NS_NewAtom("font"));
nsAutoString faceStr("face");
rv = mEditor->GetInlineProperty(styleAtom, &faceStr, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
if (SelectionIsCollapsed())
{
rv = mEditor->GetTypingStateValue(styleAtom, ioFontString);
}
else
{
rv = mEditor->GetInlineProperty(styleAtom, &faceStr, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
}
// XXX this needs finishing.
return rv;
}
@ -237,23 +270,35 @@ nsresult
nsInterfaceState::UpdateTextState(const char* tagName, const char* observerName, const char* attributeName, PRInt8& ioState)
{
nsresult rv;
PRBool firstOfSelectionHasProp = PR_FALSE;
PRBool anyOfSelectionHasProp = PR_FALSE;
PRBool allOfSelectionHasProp = PR_FALSE;
nsCOMPtr<nsIAtom> styleAtom = getter_AddRefs(NS_NewAtom(tagName));
rv = mEditor->GetInlineProperty(styleAtom, nsnull, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
PRBool &behaviour = allOfSelectionHasProp; // change this to alter the behaviour
if (behaviour != ioState)
PRBool testBoolean;
if (SelectionIsCollapsed())
{
rv = SetNodeAttribute(observerName, attributeName, behaviour ? "true" : "false");
PRBool stateHasProp = PR_FALSE;
rv = mEditor->GetTypingState(styleAtom, stateHasProp);
testBoolean = stateHasProp;
}
else
{
PRBool firstOfSelectionHasProp = PR_FALSE;
PRBool anyOfSelectionHasProp = PR_FALSE;
PRBool allOfSelectionHasProp = PR_FALSE;
rv = mEditor->GetInlineProperty(styleAtom, nsnull, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
testBoolean = allOfSelectionHasProp; // change this to alter the behaviour
}
if (NS_FAILED(rv)) return rv;
if (testBoolean != ioState)
{
rv = SetNodeAttribute(observerName, attributeName, testBoolean ? "true" : "false");
if (NS_FAILED(rv))
return rv;
ioState = behaviour;
ioState = testBoolean;
}
return rv;

6
editor/base/nsInterfaceState.h
View File

@ -42,6 +42,10 @@ public:
NS_IMETHOD Init(nsIHTMLEditor* aEditor, nsIWebShell *aChromeWebShell);
// force an update of the UI. At some point, we could pass flags
// here to target certain things for updating.
NS_IMETHOD ForceUpdate();
// nsIDOMSelectionListener interface
NS_IMETHOD NotifySelectionChanged();
@ -55,6 +59,8 @@ protected:
eStateOn = PR_TRUE
};
PRBool SelectionIsCollapsed();
nsresult SetNodeAttribute(const char* nodeID, const char* attributeName, const nsString& newValue);
nsresult UnsetNodeAttribute(const char* nodeID, const char* attributeName);

71
editor/composer/src/nsInterfaceState.cpp
View File

@ -124,6 +124,13 @@ nsInterfaceState::NotifyDocumentStateChanged(PRBool aNowDirty)
NS_IMETHODIMP
nsInterfaceState::NotifySelectionChanged()
{
return ForceUpdate();
}
NS_IMETHODIMP
nsInterfaceState::ForceUpdate()
{
nsresult rv;
@ -148,6 +155,25 @@ nsInterfaceState::NotifySelectionChanged()
return NS_OK;
}
PRBool
nsInterfaceState::SelectionIsCollapsed()
{
nsresult rv;
// we don't care too much about failures here.
nsCOMPtr<nsIEditor> editor = do_QueryInterface(mEditor, &rv);
if (NS_SUCCEEDED(rv))
{
nsCOMPtr<nsIDOMSelection> domSelection;
rv = editor->GetSelection(getter_AddRefs(domSelection));
if (NS_SUCCEEDED(rv))
{
PRBool selectionCollapsed = PR_FALSE;
rv = domSelection->GetIsCollapsed(&selectionCollapsed);
return selectionCollapsed;
}
}
return PR_FALSE;
}
nsresult
nsInterfaceState::UpdateParagraphState(const char* observerName, const char* attributeName, nsString& ioParaFormat)
@ -227,8 +253,15 @@ nsInterfaceState::UpdateFontFace(const char* observerName, const char* attribute
nsCOMPtr<nsIAtom> styleAtom = getter_AddRefs(NS_NewAtom("font"));
nsAutoString faceStr("face");
rv = mEditor->GetInlineProperty(styleAtom, &faceStr, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
if (SelectionIsCollapsed())
{
rv = mEditor->GetTypingStateValue(styleAtom, ioFontString);
}
else
{
rv = mEditor->GetInlineProperty(styleAtom, &faceStr, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
}
// XXX this needs finishing.
return rv;
}
@ -237,23 +270,35 @@ nsresult
nsInterfaceState::UpdateTextState(const char* tagName, const char* observerName, const char* attributeName, PRInt8& ioState)
{
nsresult rv;
PRBool firstOfSelectionHasProp = PR_FALSE;
PRBool anyOfSelectionHasProp = PR_FALSE;
PRBool allOfSelectionHasProp = PR_FALSE;
nsCOMPtr<nsIAtom> styleAtom = getter_AddRefs(NS_NewAtom(tagName));
rv = mEditor->GetInlineProperty(styleAtom, nsnull, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
PRBool &behaviour = allOfSelectionHasProp; // change this to alter the behaviour
if (behaviour != ioState)
PRBool testBoolean;
if (SelectionIsCollapsed())
{
rv = SetNodeAttribute(observerName, attributeName, behaviour ? "true" : "false");
PRBool stateHasProp = PR_FALSE;
rv = mEditor->GetTypingState(styleAtom, stateHasProp);
testBoolean = stateHasProp;
}
else
{
PRBool firstOfSelectionHasProp = PR_FALSE;
PRBool anyOfSelectionHasProp = PR_FALSE;
PRBool allOfSelectionHasProp = PR_FALSE;
rv = mEditor->GetInlineProperty(styleAtom, nsnull, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
testBoolean = allOfSelectionHasProp; // change this to alter the behaviour
}
if (NS_FAILED(rv)) return rv;
if (testBoolean != ioState)
{
rv = SetNodeAttribute(observerName, attributeName, testBoolean ? "true" : "false");
if (NS_FAILED(rv))
return rv;
ioState = behaviour;
ioState = testBoolean;
}
return rv;

6
editor/composer/src/nsInterfaceState.h
View File

@ -42,6 +42,10 @@ public:
NS_IMETHOD Init(nsIHTMLEditor* aEditor, nsIWebShell *aChromeWebShell);
// force an update of the UI. At some point, we could pass flags
// here to target certain things for updating.
NS_IMETHOD ForceUpdate();
// nsIDOMSelectionListener interface
NS_IMETHOD NotifySelectionChanged();
@ -55,6 +59,8 @@ protected:
eStateOn = PR_TRUE
};
PRBool SelectionIsCollapsed();
nsresult SetNodeAttribute(const char* nodeID, const char* attributeName, const nsString& newValue);
nsresult UnsetNodeAttribute(const char* nodeID, const char* attributeName);